<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>{{ title }}的页面</title>
</head>
<body>
    <h2>{{ title }}的页面</h2>
    <form action="/bank" method="POST">
        <label>银行名称</label>
        <input name="name" /><br>
        <label>卡号</label>
        <input name="card_num" /><br>
        <button>提交</button>
    </form>
    <div class="error">
        <span>{{ error_message }}</span>
    </div>
</body>
</html>